Changelog:
=========
Remove the auth and authconfig commands
The parse method is expected to return a value
tests: unittest isn't used in handle_unicode anymore
Add RHEL 9 handler
Resolves: rhbz#1966730
Add RHEL 9 version for commands that had a RHEL version in the past
Add RHEL 9 version for BTRFS related commands
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
